By Meghan Blalock
Updated Dec 13, 2012 @ 5:20 pm
Chris Jackson / Getty

For those of you already in love with the Duke and Duchess of Cambridge's unborn child, flip the channel to Lifetime tonight at 10 p.m. EST. The network will air Secrets of the Royal Nursery, a behind-the-scenes look at the couple’s pregnancy, including interviews with their close friends and family. The special is also slated to include footage of Princess Diana caring for a pint-sized William. Catch it tonight, immediately following Project Runway: All Stars.

Plus, see Kate and Diana's similar styles!